Q. 13

Simplify.

(8m2 + 3m – 6) - (9m-7) + (3m2 – 2m + 4)

Answer :

(8m2 + 3m – 6) - (9m-7) + (3m2 – 2m + 4)

= 8m2 + 3m – 6 – 9m + 7 + 3m2 – 2m + 4


= 11m2 – 8m + 5


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